A) static body B) virtue of its position C) moving body D) All of the above
A) Newton B) Joules C) Newton metre D) kilogram
A) 30j B) 20j C) 40j D) 10j
A) electrical potential energy B) mechanical potential energy C) chemical potential energy D) Nuclear potential energy
A) rest B) all of the above C) motion D) none of the above
A) Newton B) meter C) seconds D) joules
A) Mercury B) Uranus C) Jupiter D) earth
A) Pluto B) Saturn C) Mars D) Mercury
A) Neptune B) earth C) Jupiter D) Saturn
A) Jupiter B) Mercury C) Mars D) Saturn
A) all of the above B) stars and galaxies C) energy and power D) planets and moon
A) 366 B) 365 C) 363 D) 364
A) 38m B) 450j C) 380j D) 350N
A) 365.24days B) 366 days C) 365 days D) 367 days
A) rainfall B) bush burning C) farming D) soil erosion
A) chore B) work C) job D) walk
A) evaporation, condensation and precipitation B) All of the above C) transportation, transpiration and evaporation D) conducting, convection and radiation
A) visible and invisible B) ultraviolet and infrared C) white and black D) none of the above
A) electrical magnet radio B) electromagnetic radiation C) electronic management radiation D) electromagnetic radio
A) gully B) slurry C) sheet D) rill
A) Man B) Woman C) Livings things D) Human
A) covering sheet B) cover C) cover crops D) mulching
A) fencing B) blocking C) all of the above D) terracing
A) avoid overgrazing B) deforestation C) mulching D) planting of cover crops
A) 77% B) 78% C) 79% D) 76%
A) radiation B) evaporation C) precipitation D) condensation
A) air B) water C) food D) fuel
A) carbon cycle B) oxygen cycle C) water cycle D) nitrogen cycle
A) agricultural B) ecological C) economical D) humanitarian
A) collection B) conversation C) harvesting D) collation
A) liquid B) fuel C) water D) air
A) primary and secondary hardness B) stable and unstable hardness C) tertiary and primary hardness D) permanent and temporary hardness
A) two pure substances B) impure substance C) pure substance D) none of the above
A) all of the above B) melting and boiling points C) chemical test D) homogeneity
A) neat substance B) clean substance C) purity D) pure substance
A) potential of hydrogen oxide B) potential of helium C) potential of hydrogen D) potential of hydrogen peroxide
A) ammoniation B) coagulation C) filtration D) fluoridation
A) sulphur and ammonium B) calcium and magnesium C) magnesium and aluminum D) aluminum and manganese
A) caustic soda B) boiling C) washing soda D) ion exchange resin
A) false B) true C) maybe D) none of the above
A) using of fluoride B) addition of washing soda C) using of slaked lime D) boiling
A) adding of chlorine B) adding of magnesium C) adding of aluminum D) adding of ammonium
A) clarify the water B) remove hardness C) increase pH D) improve taste
A) chlorination B) lime treatment C) transpiration D) ammoniation
A) kilometer B) kilogram C) Newton D) joules
A) loss soil fertility B) lead to collapse of buildin C) maintains soil texture D) destroy soil structure
A) air pollution B) sand pollution C) water pollution D) land pollution
A) evaporation B) precipitation C) condensation D) convection
A) 3000j B) 30j C) 300j D) 3kj
A) laboratory chemicals B) nuclear chemicals C) pharmaceutical chemicals D) agrochemicals |